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SHANGHAI, Nov. 16 (Xinhua) -- U.S. President Barack Obama said here Monday that the biggest threat to U.S. security is the terrorist groups like al-Qaida.     "I do continue to believe the greatest threat to United States security are the terrorist networks like al-Qaida," Obama said during a dialogue with Chinese students in Shanghai.     He said U.S. troops moved into Afghanistan because al-Qaida wasbeing hosted by the Taliban in Afghanistan but the terror group has now moved over the border of Afghanistan and has networks with other extremist groups throughout the region.     The United States now has 68,000 troops fighting in Afghanistan. Obama is going to decide on whether to grant a request by the top U.S. commander in Afghanistan, Stanley McChrystal, to send 40,000 more troops.     "I do believe it is important for us to stabilize Afghanistan, so that the people of Afghanistan can protect themselves, and they can also be a partner in reducing the power of those extremist networks," he said.     The U.S. president admitted that defeating al-Qaida is a difficult task and is not just a military exercise.     Obama flew into Shanghai from Singapore on Sunday night to kickoff his four-day visit to China, his first trip to the Asian country since taking office in January.     Later Monday, he will fly to Beijing, where he will hold talks with Chinese President Hu Jintao and meet with other Chinese leaders.

BEIJING, Dec. 19 (Xinhua) -- Chinese Premier Wen Jiabao brought hope and confidence to the world in its fight against climate change by attending the summit of the UN Climate Change Conference in Copenhagen, Foreign Minister Yang Jiechi said Saturday.Yang, who had accompanied Wen during his visit on Thursday and Friday, said climate change profoundly affected mankind's existence and development, imposed a critical challenge to the world, and should be tackled by all countries jointly.     The Copenhagen conference was an important opportunity to boost international cooperation in combating climate change, Yang said.     Under the joint efforts of all parties, the conference yielded significant and positive fruits in three aspects, he said.     First, it firmly upheld the principle of "common but differentiated responsibilities" set by the UN Framework Convention on Climate Change and the Kyoto Protocol.     Second, it made a solid step forward in promoting developed countries' binding emissions cuts and developing countries' voluntary mitigation actions.     Third, it produced important consensus on the key issues of long-term global emissions cut targets, funding and technology support to developing countries, and transparency.     Yang said Premier Wen's attendance at the summit showed the Chinese government took a highly responsible attitude toward the Chinese people, all peoples in the world and mankind's future.     Over the last two days, Wen delivered an important speech to the summit, kept close contact with many parties, communicated and coordinated with them, overcame various difficulties, and guided action according to situation. He adopted a principled but flexible attitude, broke his back to move the climate talks forward on the right track, and played a pivotal role in the climate talks.     Wen's attendance contributed to the global fight against climate change mainly in three fields, Yang said.     FIRST, ABIDING BY PRINCIPLES, MAINTAINING A FOUNDATION FOR COOPERATION     Yang said developing and developed countries were very different in their historical emissions responsibilities and current emissions levels, and in their basic national characteristics and development stages, therefore they should shoulder different responsibilities and obligations in fighting climate change.     According to Yang, Wen told the conference the international community must adhere to the following four principles to combat climate change.     First, maintaining the consistency of outcomes:     The outcome of this conference must stick to rather than obscure the basic principles enshrined in the Convention and the Protocol. It must follow rather than deviate from the mandate of the "Bali Roadmap." It should lock up rather than deny the consensus and progress already achieved in the negotiations.     Second, upholding the fairness of rules:     The principle of "common but differentiated responsibilities" represents the core and bedrock of international cooperation on climate change and it must never be compromised. Developed countries must take the lead in making deep quantified emission cuts and provide financial and technological support to developing countries. Developing countries should, with the financial and technological support of developed countries, do what they can to mitigate greenhouse gas emissions and adapt to climate change in the light of their national conditions.     Third, paying attention to the practicality of the targets:     In tackling climate change, the world needed to take a long-term perspective, but more importantly, focus on the present. It was important to focus on achieving near-term and mid-term reduction targets, honoring the commitments already made and taking real action. One action was more useful than a dozen programs. The conference should give people hope by taking credible actions.     Fourth, ensure the effectiveness of institutions and mechanisms:     The international community should make concrete and effective institutional arrangements under the Convention to have developed countries honor their commitments, provide sustained and sufficient financial support to developing countries, speed up the transfer of climate-friendly technologies and effectively help developing countries strengthen their capacity in combating climate change.     Yang said Wen's propositions reflected developing countries' common stance. The propositions were reasonable and lawful, based on the present, faced the future, addressed all parties' interests, pointed out the direction for the climate conference when it was at the crossroads, effectively kept and boosted the talks, and won wide support and praise.

GENEVA, Nov. 30 (Xinhua) -- China will maintain the stability of its Renminbi (RMB) exchange rate all along, which does good for the world economic recovery, Commerce Minister Chen Deming said on Monday.     China's exchange rate reform has continued smoothly, and the value of RMB has risen by some 20 percent against the U.S. dollar since 2005, Chen told reporters in Geneva, where he is attending a ministerial conference of the World Trade Organization.     Despite the impact of the global financial crisis and all kinds of other difficulties, the Chinese government has actively tried to boost domestic consumption and stimulate imports, Chen said. Visiting Chinese Commerce Minister Chen Deming attends a launching ceremony of China-Swiss joint study to examine the feasibility of a Free Trade Agreement (FTA) in Geneva, Switzerland, Nov. 30, 2009    Maintaining a relatively stable RMB exchange rate serves the need of China's economic development as well as the world's economic stability, he added.     According to the minister, China's foreign trade surplus is expected to drop by more than a third to 190 billion dollars this year from last year's 290 billion dollars.     Chen also urged the world's major reserve currencies to remain stable. He said the continuous depreciation of these currencies had caused much difficulty for the world economy, and that the attempts to transfer the difficulty to other countries are unjustifiable.

LANGFANG, Hebei Province, Jan. 1 (Xinhua) -- President Hu Jintao on Friday urged Party committees and governments at all levels to make issues related to agriculture, rural areas and farmers top priority of their agenda and called for increased investment in these areas.     During a visit to villages in China's northern Hebei Province Friday, Hu called for efforts to develop modern agriculture by relying on the progress of science and technology and make sure that farmers have increasing incomes.     The president said this year's No. 1 document of the CPC Central Committee will include a batch of new policies to support agricultural development.     Hu spent time inquiring about the livelihood of local farmers and conveyed New Year greetings to them. Hu Jintao (C, front), Chinese President, general secretary of the Central Committee of the Communist Party of China (CPC) and chairman of the Central Military Commission, shakes hands with a family member of villager Zhang Futai during an inspection tour at a village of Liqizhuang Town, Sanhe City, north China's Hebei Province, on Jan. 1, 2010. Hu Jintao made the inspection tour in Sanhe City on Friday.    At a vegetable greenhouse of Liqizhuang Township of Sanhe City, which is close to Beijing, Hu inquired about sales and market price of vegetables and incomes of local farmers.     Hu urged local farmers to give full play to the area's geographic advantage and contribute to the development of local economy by raising the quantity and quality of vegetables.     At a grain and oil enterprise, Hu called for intensified efforts to improve product quality and lower production cost so asto provide consumers with more quality edible oil with a low price.     In another village of Liqizhuang Township, Hu encouraged village authorities to improve villagers' life quality by improving infrastructure and providing local people with more services.     After being told that 74-year-old villager Zhang Futai and his wife had moved into a two-storey building from a house made of mud and stone, Hu said he was happy to see the farmers' living conditions being improved.